UA95681C2 - Method for processing pesticide on base of ethyl ammonium salt of 3,6- dichloropicolinic acid - Google Patents
Method for processing pesticide on base of ethyl ammonium salt of 3,6- dichloropicolinic acidInfo
- Publication number
- UA95681C2 UA95681C2 UAA200911672A UAA200911672A UA95681C2 UA 95681 C2 UA95681 C2 UA 95681C2 UA A200911672 A UAA200911672 A UA A200911672A UA A200911672 A UAA200911672 A UA A200911672A UA 95681 C2 UA95681 C2 UA 95681C2
- Authority
- UA
- Ukraine
- Prior art keywords
- acid
- base
- ammonium salt
- dichloropicolinic acid
- dichloropicolinic
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
A method for processing unusable toxic pesticides on the base of ethyl ammonium salt of 3,6-dichloropicolinic acid into useful substances that can be used as chemical reagents in chemical synthetic practice by processing pesticide on the base of ethyl ammonium salt of 3,6-dichloropicolinic acid by aqueous solution of acid HX, where X is Cl, NO, ½ SO, and an aqueous solution of acid of 5-96 % by weight concentration is used in molar ratio of pesticides: HX = 1.0: 1.1, the reaction mass is held at intensive stirring up to 30 minutes and under the temperature of 35- and then it is cooled and resulting precipitate of 3,6-dichloropicolinic acid of general formula (1) is isolated by filtration, washing with alcohol, cold water and air drying, and to the filtrate formed at isolation of 3.6-dichloropicolinic acid 15 wt. %-alkaline solution and solution of carbon disulfide in benzene are added, the reaction mass is held heated up to , cooled and the resulting precipitate of alkaline salt of ethyl dithiocarbamic acid of general formula (2), where Mis K or Na, is filtered and dried in air, in the case with addition of NH the acidity of the reaction mixture is controlled up to pH = 7., (1)(2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
UAA200911672A UA95681C2 (en) | 2009-11-16 | 2009-11-16 | Method for processing pesticide on base of ethyl ammonium salt of 3,6- dichloropicolinic acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
UAA200911672A UA95681C2 (en) | 2009-11-16 | 2009-11-16 | Method for processing pesticide on base of ethyl ammonium salt of 3,6- dichloropicolinic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
UA95681C2 true UA95681C2 (en) | 2011-08-25 |
Family
ID=50836668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UAA200911672A UA95681C2 (en) | 2009-11-16 | 2009-11-16 | Method for processing pesticide on base of ethyl ammonium salt of 3,6- dichloropicolinic acid |
Country Status (1)
Country | Link |
---|---|
UA (1) | UA95681C2 (en) |
-
2009
- 2009-11-16 UA UAA200911672A patent/UA95681C2/en unknown
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